For the 2026 school year, there are 15 public schools serving 6,148 students in 78570, TX (there are 1 private school, serving 13 private students). 100% of all K-12 students in 78570, TX are educated in public schools (compared to the TX state average of 94%).
The top-ranked public schools in 78570, TX are South Texas Isd Science Academy, South Texas Isd Health Professions and Ruben Hinojosa Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 78570 have an average math proficiency score of 33% (versus the Texas public school average of 44%), and reading proficiency score of 40% (versus the 51% statewide average). Schools in 78570, TX have an average ranking of 3/10, which is in the bottom 50% of Texas public schools.
Minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public school average of 76% (majority Hispanic).
Best 78570, TX Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
South Texas Isd Science Academy
Magnet School
(Math: 75-79% | Reading: 80-84%)
Rank:
Rank:
10/
Top 5%10
900 Med High Dr
Mercedes, TX 78570
(956) 565-4620
Mercedes, TX 78570
(956) 565-4620
Gr: 9-12 | 840 students Student-teacher ratio: 13:1 Minority enrollment: 92%
Rank: #22.
South Texas Isd Health Professions
Magnet School
(Math: 40-44% | Reading: 77%)
Rank:
Rank:
8/
Top 30%10
700 Med High Dr
Mercedes, TX 78570
(956) 565-2237
Mercedes, TX 78570
(956) 565-2237
Gr: 9-12 | 781 students Student-teacher ratio: 14:1 Minority enrollment: 94%
Rank: #33.
Ruben Hinojosa Elementary School
(Math: 50% | Reading: 40%)
Rank:
Rank:
5/
Bottom 50%10
500 S Rio Rico Rd
Mercedes, TX 78570
(956) 512-2227
Mercedes, TX 78570
(956) 512-2227
Gr: PK-5 | 468 students Student-teacher ratio: 13:1 Minority enrollment: 98%
Rank: #44.
Mercedes Early College Academy
Alternative School
(Math: 35-39% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
950 W 6th St
Mercedes, TX 78570
(956) 514-5180
Mercedes, TX 78570
(956) 514-5180
Gr: 9-12 | 355 students Student-teacher ratio: 16:1 Minority enrollment: 98%
Rank: #55.
John F Kennedy Elementary School
(Math: 37% | Reading: 40%)
Rank:
Rank:
4/
Bottom 50%10
801 Hidalgo St
Mercedes, TX 78570
(956) 514-2300
Mercedes, TX 78570
(956) 514-2300
Gr: PK-5 | 399 students Student-teacher ratio: 14:1 Minority enrollment: 99%
Rank: #66.
Taylor Elementary School
(Math: 44% | Reading: 31%)
Rank:
Rank:
3/
Bottom 50%10
900 N Missouri Ave
Mercedes, TX 78570
(956) 514-2388
Mercedes, TX 78570
(956) 514-2388
Gr: PK-5 | 406 students Student-teacher ratio: 13:1
Rank: #77.
Travis Elementary School
(Math: 33% | Reading: 40%)
Rank:
Rank:
3/
Bottom 50%10
1551 S Georgia Ave
Mercedes, TX 78570
(956) 514-2322
Mercedes, TX 78570
(956) 514-2322
Gr: PK-5 | 478 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Rank: #88.
Sgt Manuel Chacon Middle School
(Math: 27% | Reading: 35%)
Rank:
Rank:
2/
Bottom 50%10
801 S Mile 1 E
Mercedes, TX 78570
(956) 514-2200
Mercedes, TX 78570
(956) 514-2200
Gr: 6-9 | 518 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Rank: #99.
Sgt William G Harrell Middle School
(Math: 21% | Reading: 31%)
Rank:
Rank:
1/
Bottom 50%10
2825 N Fm 491
Mercedes, TX 78570
(956) 514-2300
Mercedes, TX 78570
(956) 514-2300
Gr: 6-8 | 390 students Student-teacher ratio: 13:1 Minority enrollment: 97%
Rank: #1010.
Triumph Public High Schools-mercedes
Alternative School
Charter School
Charter School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
103 E 2nd St
Mercedes, TX 78570
(956) 565-5417
Mercedes, TX 78570
(956) 565-5417
Gr: 9-12 | 109 students Student-teacher ratio: 22:1 Minority enrollment: 99%
Rank: #1111.
Mercedes High School
(Math: 12% | Reading: 18%)
Rank:
Rank:
1/
Bottom 50%10
1200 S Florida
Mercedes, TX 78570
(956) 514-2100
Mercedes, TX 78570
(956) 514-2100
Gr: 9-12 | 903 students Student-teacher ratio: 15:1 Minority enrollment: 98%
Rank: #1212.
Mercedes Academic Academy
Alternative School
(Math: ≤10% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
720 S Mile 1 E
Mercedes, TX 78570
(956) 514-5076
Mercedes, TX 78570
(956) 514-5076
Gr: 9-12 | 100 students Student-teacher ratio: 11:1 Minority enrollment: 98%
Rank: n/an/a
Mercedes Daep
Alternative School
720 S Mile 1 E
Mercedes, TX 78570
(956) 514-5076
Mercedes, TX 78570
(956) 514-5076
Gr: 2-12
Rank: n/an/a
950 W 6th St
Mercedes, TX 78570
(956) 825-5117
Mercedes, TX 78570
(956) 825-5117
Gr: PK | 189 students Student-teacher ratio: 38:1
Rank: n/an/a
100 Med High Dr
Mercedes, TX 78570
(956) 514-4201
Mercedes, TX 78570
(956) 514-4201
Gr: 6-12 | 212 students Student-teacher ratio: 13:1 Minority enrollment: 81%
Frequently Asked Questions
What are the top-ranked public schools in 78570, TX?
The top-ranked public schools in 78570, TX include South Texas Isd Science Academy, South Texas Isd Health Professions and Ruben Hinojosa Elementary School.
How many public schools are located in 78570?
15 public schools are located in 78570.
What percentage of students in 78570 go to public school?
100% of all K-12 students in 78570 are educated in public schools (compared to the TX state average of 94%).
What is the racial composition of students in 78570?
78570 public schools minority enrollment is 96% of the student body (majority Hispanic), which is more than the Texas public schools average of 76% (majority Hispanic).
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